Butte County is a

county A county is a geographic region of a country used for administrative or other purposes Chambers Dictionary, L. Brookes (ed.), 2005, Chambers Harrap Publishers Ltd, Edinburgh in certain modern nations. The term is derived from the Old French ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

South Dakota South Dakota (; Sioux: , ) is a U.S. state in the North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota and Dakota Sioux Native American tribes, who comprise a large po ...

. As of the

2020 United States Census The United States census of 2020 was the twenty-fourth decennial United States census. Census Day, the reference day used for the census, was April 1, 2020. Other than a pilot study during the 2000 census, this was the first U.S. census to off ...

, the population was 10,243. Its

county seat A county seat is an administrative center, seat of government, or capital city of a county or civil parish. The term is in use in Canada, China, Hungary, Romania, Taiwan, and the United States. The equivalent term shire town is used in the US ...

is Belle Fourche. The county was established in the

Dakota Territory The Territory of Dakota was an organized incorporated territory of the United States that existed from March 2, 1861, until November 2, 1889, when the final extent of the reduced territory was split and admitted to the Union as the states of N ...

on March 2, 1883, and given the descriptive name based on the French word for a hill.

History

Prehistory

In 1975,

plesiosaur The Plesiosauria (; Greek: πλησίος, ''plesios'', meaning "near to" and ''sauros'', meaning "lizard") or plesiosaurs are an order or clade of extinct Mesozoic marine reptiles, belonging to the Sauropterygia. Plesiosaurs first appea ...

fossils dating to the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

Period (ca. 110 million years ago) were discovered in Butte County. In the 1980s, a 90-million-year-old fossil of a clawless

lobster Lobsters are a family (Nephropidae, synonym Homaridae) of marine crustaceans. They have long bodies with muscular tails and live in crevices or burrows on the sea floor. Three of their five pairs of legs have claws, including the first pair, ...

was discovered. A ''Tyrannosaurus rex'' skeleton was found in 1981. The early human history of the Belle Fourche River Valley has been traced to about 3000 BC. The first people of the area were Native Americans who resided on the northwestern plains of North America. The earliest known evidence of human activity in the area dates to the Middle Plains Archaic Period of the Plains Indians (ca. 3000–1500 BC). Traces of

tipi ring Tipi rings are circular patterns of stones left from an encampment of Post-Archaic, protohistoric and historic Native Americans.Cassells, Steve. (1997). ''The Archaeology of Colorado.'' Boulder: Johnson Books. pp. 224-227. . They are found primar ...

s dating from this period have been found. In 1979 and 1980, archeologists excavated a fortified and previously inhabited site west of Belle Fourche that dated to AD 1000. This site was called the Smiley-Evans Site and had been recorded in 1959. Until 1984, only 47 archaeological sites had been recorded, but after the excavation of the Smiley-Evans Site, several investigations were undertaken. , 199 archaeological sites had been discovered in the county.

Geography

Butte County lies on the west edge of South Dakota. Its northwestern boundary line abuts the eastern boundary line of the state of

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...

, and its southwestern boundary line abuts the eastern boundary line of the state of

Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to t ...

. The Butte County terrain consists of semi-arid rolling hills cut by drainages oriented NW-SE. A relatively small portion of the area is dedicated to agriculture, including the employment of center pivot irrigation. The terrain slopes to the southeast, and its highest point is on the western boundary line near the SW corner: 3,865' (1178m) ASL. The county has a total area of , of which is land and (0.7%) is water.

Major highways

* U.S. Highway 85 * U.S. Highway 212 *

South Dakota Highway 34 South Dakota Highway 34 (SD 34) is a state route that runs parallel to Interstate 90 across the entire state of South Dakota. It begins at the Wyoming border west of Belle Fourche, as a continuation of Wyoming Highway 24 (WYO 24). The eas ...

South Dakota Highway 79 South Dakota Highway 79 (SD 79) is a state highway in western South Dakota, United States, that runs from Maverick Junction near the Black Hills National Forest to the North Dakota state line. Route description SD 79's southern te ...

* South Dakota Highway 168

Adjacent counties

* Harding County - north * Perkins County - northeast * Meade County - southeast * Lawrence County - southwest *

Crook County, Wyoming Crook County is a county in the northeastern section of the U.S. state of Wyoming. As of the 2020 United States Census, the population was 7,181, making it the third-least populous county in Wyoming. Its county seat is Sundance. History Crook ...

- west *

Carter County, Montana Carter County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 1,415, making it the seventh-least populous county in Montana. The county seat is Ekalaka. History Carter County was named for Thomas ...

- northwest

Protected areas

* Belle Fourche Dam State Game Production Area * Belle Fourche National Wildlife Refuge * Newell Lake State Game Production Area * Newell Lake State Lakeside Use Area * Rocky Point State Recreation Area

Demographics

2000 census

As of the 2000 census, there were 9,094 people, 3,516 households, and 2,468 families in the county. The

population density Population density (in agriculture: standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geographical term.Matt RosenberPopu ...

was 4 people per square mile (2/km²). There were 4,059 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 95.52%

White White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White ...

, 0.10%

Black Black is a color which results from the absence or complete absorption of visible light. It is an achromatic color, without hue, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white ha ...

African American African Americans (also referred to as Black Americans and Afro-Americans) are an ethnic group consisting of Americans with partial or total ancestry from sub-Saharan Africa. The term "African American" generally denotes descendants of ens ...

, 1.65% Native American, 0.24% Asian, 1.09% from other races, and 1.40% from two or more races. 2.93% of the population were

Hispanic The term ''Hispanic'' ( es, hispano) refers to people, cultures, or countries related to Spain, the Spanish language, or Hispanidad. The term commonly applies to countries with a cultural and historical link to Spain and to viceroyalties for ...

or Latino of any race. 37.3% were of

German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ge ...

, 10.0% Norwegian, 8.2%

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

or American, 7.8% Irish and 7.7%

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ...

ancestry. There were 3,516 households, out of which 35.00% had children under the age of 18 living with them, 57.40% were

married couples Marriage, also called matrimony or wedlock, is a culturally and often legally recognized union between people called spouses. It establishes rights and obligations between them, as well as between them and their children, and between ...

living together, 9.00% had a female householder with no husband present, and 29.80% were non-families. 25.60% of all households were made up of individuals, and 11.90% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.07. The county population contained 28.30% under the age of 18, 7.20% from 18 to 24, 26.00% from 25 to 44, 23.40% from 45 to 64, and 15.20% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.90 males. For every 100 females age 18 and over, there were 93.20 males. The median income for a household in the county was $29,040, and the median income for a family was $34,173. Males had a median income of $26,769 versus $15,758 for females. The

per capita income Per capita income (PCI) or total income measures the average income earned per person in a given area (city, region, country, etc.) in a specified year. It is calculated by dividing the area's total income by its total population. Per capita i ...

for the county was $13,997. About 9.40% of families and 12.80% of the population were below the

poverty line The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for ...

, including 17.40% of those under age 18 and 11.80% of those age 65 or over.

2010 census

As of the

2010 United States Census The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators serving ...

, there were 10,110 people, 4,160 households, and 2,786 families in the county. The population density was . There were 4,621 housing units at an average density of . The racial makeup of the county was 94.2% white, 1.9% American Indian, 0.2% black or African American, 0.2% Asian, 0.1% Pacific islander, 0.8% from other races, and 2.6% from two or more races. Those of Hispanic or Latino origin made up 3.0% of the population. In terms of ancestry, 40.9% were

, 16.6% were Irish, 15.7% were Norwegian, 10.4% were

, and 5.2% were

American American(s) may refer to: * American, something of, from, or related to the United States of America, commonly known as the "United States" or "America" ** Americans, citizens and nationals of the United States of America ** American ancestry, pe ...

. Of the 4,160 households, 30.5% had children under the age of 18 living with them, 52.3% were married couples living together, 9.8% had a female householder with no husband present, 33.0% were non-families, and 28.5% of all households were made up of individuals. The average household size was 2.40 and the average family size was 2.92. The median age was 41.1 years. The median income for a household in the county was $39,041 and the median income for a family was $52,829. Males had a median income of $37,429 versus $25,273 for females. The per capita income for the county was $20,418. About 11.5% of families and 15.6% of the population were below the

, including 25.0% of those under age 18 and 8.9% of those age 65 or over.

Communities

Cities

* Belle Fourche (county seat) * Newell

Towns

* Fruitdale * Nisland

Census-designated place

Vale A vale is a type of valley. Vale may also refer to: Places Georgia * Vale, Georgia, a town in the Samtskhe-Javakheti region Norway * Våle, a historic municipality Portugal * Vale (Santa Maria da Feira), a former civil parish in the municipa ...

Unincorporated communities

* Arpan * Castle Rock * East Butte * Hoover * Minnesela * West Butte''West Butte Unorganized Territory SD'' Google Maps (accessed 31 January 2019)
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Townships

* Union *

Politics

Like most of South Dakota, Butte County is a Republican stronghold. No Democratic presidential candidate has carried Butte County since Franklin D. Roosevelt in 1932. Although Roosevelt in the following election and

Lyndon Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He had previously served as the 37th vice ...

in 1964, respectively, came within six and fourteen votes of claiming the county during landslide Democratic victories, apart from these instances, no Democratic Presidential candidate since 1920 has reached forty percent of the county’s vote.

References

{{coord, 44.91, -103.49, display=title, type:adm2nd_region:US-SD_source:UScensus1990 1883 establishments in Dakota Territory Populated places established in 1883 es:Condado de Campbell (Dakota del Sur)